Millions of printed circuit boards from discarded electronics are tossed into landfills every year. In addition to the volume of waste, the material can leach chemicals into the soil. As an alternative, researchers at Shanghai Jiao Tong University in China are finding various ways to reuse the panels, including as an additive in asphalt.
(CNN) -- The champions at the Winter Olympic Games in Vancouver can stand on the podium proud of their achievements, but the eco-minded among them can be extra proud that their medals are made with traces of precious metals recovered from e-waste.
According to a new report, however, a more universal solution to a growing problem needs to be found.
The electronics industry is learning to do without: it is having to abandon one of its long-time staples, lead-tin solder. For decades lead-tin solder has been used to attach electronic components to printed wiring boards. However, with the body of evidence pointing to serious adverse health effects of lead, the search for a replacement has spawned intense effort in the electronics industry and in universities.